Moderator

Moderator may refer to:

Government

 * Moderator (town official), elected official who presides over the Town Meeting form of government in various American states.

Internet

 * Internet forum moderator, a person given special authority to enforce the rules on a forum or social media platforms
 * Game moderator
 * Moderator of a Usenet newsgroup
 * Google Moderator, an application to assist chairmen of online meetings

Religion

 * Moderator of the General Assembly, the chairperson of the highest court in Presbyterian and Reformed churches
 * Moderators and clerks in the Church of Scotland, the chairperson of any of the courts of the Church of Scotland
 * Moderator of the curia, an administrative position in the Catholic church

Nuclear engineering

 * Neutron moderator, a medium that reduces the velocity of fast neutrons, for example in a nuclear reactor

Other uses

 * Moderator variable, in statistics, a qualitative or quantitative variable that affects the direction and/or strength of the relation between dependent and independent variables
 * Sound moderator, a suppressor attached to a firearm
 * A faction in the Regulator–Moderator War
 * Discussion moderator, a person who controls the tone of a discussion or debate